Finding the Fourth Proportional to 530,305.68, 731,814.16 and 291,841.68
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Solution
The fourth proportional to 530,305.68, 731,814.16 and 291,841.68 is: 402,737.29
Step by Step Solution
- Step 1: Write the proportion equation
530,305.68 : 731,814.16 = 291,841.68 : x - Step 2: Convert to fraction form
530,305.68/731,814.16 = 291,841.68/x - Step 3: Cross multiply
530,305.68x = 731,814.16 × 291,841.68 - Step 4: Simplify right side
530,305.68x = 213,573,873,902.19 - Step 5: Solve for x
x = 213,573,873,902.19/530,305.68 - Step 6: Final answer
x = 402,737.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.